Chapter 40. Nameservices

In the previous chapter, we looked at namespaces as a concept. In this chapter, we look at how those namespaces are managed, enriched with additional information, and provided as a service. A nameservice is a an instantiation of a namespace that associates particular attributes with names in the namespace and makes this information available to other systems and end users using some particular protocol or set of protocols. Examples of nameservices include DNS, DHCP, LDAP, ActiveDirectory, the HR directory, the configuration-management database (CMDB), and a two-factor authentication (2FA) system. A namespace is a set of unique keys. A nameservice is a concrete implementation of a namespace that associates a set of attributes ...

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